6/1/2020 – Last week we asked you to help us solve a historical riddle. In November 2006 World Champion Vladimir Kramnik played a match against the computer program Deep Fritz. Kramnik lost the match 2:4 and did not win a single game. But in the very first game he had a favourable endgame. Could he have won? Until today that remains unclear. We asked you for help in solving this riddle. With some very energetic analytical work of our readers we have come to a firm conclusion.

5/28/2020 – In November 2006 World Champion Vladimir Kramnik played a match against the computer program Deep Fritz. The venue was the National Art Gallery in Bonn, Germany, the prize fund one million dollars. It was the last big man-vs-machine match. Kramnik lost 2:4 and did not win a single game. But in the very first game he had a favourable endgame. Could he have won? Until today that remains unclear. Can you help GMs Yasser Seirawan and Karsten Müller resolve this question?